Base | Representation |
---|---|
bin | 10001101111111… |
… | …11000000001001 |
3 | 101101011120202200 |
4 | 20313333000021 |
5 | 301104044310 |
6 | 22435150413 |
7 | 3455401302 |
oct | 1067770011 |
9 | 341146680 |
10 | 148893705 |
11 | 77057054 |
12 | 41a45409 |
13 | 24b024ac |
14 | 15abb7a9 |
15 | d1119c0 |
hex | 8dff009 |
148893705 has 12 divisors (see below), whose sum is σ = 258082500. Its totient is φ = 79409952.
The previous prime is 148893653. The next prime is 148893727. The reversal of 148893705 is 507398841.
148893705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 92102409 + 56791296 = 9597^2 + 7536^2 .
It is not a de Polignac number, because 148893705 - 215 = 148860937 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3308749 = 148893705 / (1 + 4 + 8 + 8 + 9 + 3 + 7 + 0 + 5).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1654330 + ... + 1654419.
It is an arithmetic number, because the mean of its divisors is an integer number (21506875).
Almost surely, 2148893705 is an apocalyptic number.
148893705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
148893705 is a deficient number, since it is larger than the sum of its proper divisors (109188795).
148893705 is a wasteful number, since it uses less digits than its factorization.
148893705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3308760 (or 3308757 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The square root of 148893705 is about 12202.2008260805. The cubic root of 148893705 is about 530.0198224460.
The spelling of 148893705 in words is "one hundred forty-eight million, eight hundred ninety-three thousand, seven hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •